BIOLOGY HIGH SCHOOL

Which metal works best to displace hydrogens from acid? A. Mercury
B. Lead
C. Gold
D. Iron

Answers

Answer 1
Answer: The correct answer is Iron. That is because it's higher than hydrogen in the reactivity series, and all other that are there can do it too. This includes things like things like Zinc too. Things that are positioned lower can't do this, which includes the ones you mentioned and others.
Answer 2
Answer:

the correct answer is D

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The element nitrogen has the atomic number 7 and an atomic mass of 14. How many neutrons does an atom of nitrogen contain? 14 7 0

Answers

A nitrogen atom contains 7 neutrons. You can work out the number of neutrons of an element by subtracting the atomic mass from the atomic number.

Could testing for the Alu elements on chromosome 9 or 11 be used as a simple paternity test? How can I determine ,from a DNA band ,the genotype (insertion or deletion) of an Alu element ?

Answers

The statement that the testing for the Alu elements on chromosome 9 or 11 can be utilized by an individual for a paternity test is true.

It should be noted that testing for the Alu elements on chromosome 9 or 11 canbe used as a simple paternity test. This is because they're transposable elements that can act as markers.

Also, the polymorphism in it can be used for the paternity test. The genotype of an Alu element can be determined based on the width and the intensity upon which it's compared. When there's an insertion, there'll be an increase in the intensity of the band.

Learn more about chromosomes on:

brainly.com/question/3544336
bout like 3÷3 what is that supposed to mean like wtf

What are the 4 types of processes that cycle matter through the biosphere give examples?

Answers

1. Biological Processes 
2. Geological Processes
3. Chemical and Physical Processes
4. Human Activity

The hydrologic cycle maintains a balance of Earth's water because _____.A. evaporation of water is equal to precipitation of water
B. groundwater is equal to surface water
C. freshwater is equal to salt water
D. evaporation of water is equal to condensation of water

Answers

Evaporation of water is equal to condensation of water
The hydrologic cycle maintains a balance of Earth's water because evaporation of water is equal to condensation of water.

Why are some of carl linnaeus's classifications of organisms incorrect

Answers

Some of Carl Linnaeus' classifications of organisms were incorrect because he classified them based off of appearances and actions instead of actual relationships. For instance, bats were classified as birds because they flew, and whales were classified as fish because they had fins and swam underwater.
The mere fact that some of his classifications were off, however, does not reduce the marked effect that it had on the advancement of scientific thought in the present world. His findings have greatly influence the modern classification system in many ways.

Hope that helped =)
Some of Carl Linnaeus' classifications of organisms were incorrect because he classified them based off of appearances and actions instead of actual relationships. For instance, bats were classified as birds because they flew, and whales were classified as fish because they had fins and swam underwater.The mere fact that some of his classifications were off, however, does not reduce the marked effect that it had on the advancement of scientific thought in the present world. His findings have greatly influenced the modern classification system in many ways.

Explanation:
Carl Linnaeus classified organisms on the basis of physical features. In his time, this was accepted. As time went on, he was stated incorrectly with the aid of new discoveries. However, he did facilitate the scientific community in a different way. He classified organisms with their common ancestors.

Having warm weather all year with a distinct winter and summer season where winter is a long, dry, and slightly cooler season with only 4 inches of rain on average, and summer is a very hot, humid, and wet season with 15 to 25 inches of rain, with monsoon rains beginning in May describes the _______ biome(s).a.
rainforest
b.
savanna and grassland
c.
deciduous forest
d.
chaparral

Answers

Having warm weather all year with a distinct winter and summer season where winter is a long, dry and slightly cooler season with only 4 inches of rain on average and summer is a very hot, humid and wet season with 15 to 25 inches of rain, with monsoon rains beginning in May describes the savanna and grassland biomes. The correct option is option "b". 

Savanna and grassland is the correct answer. Those types of biomeds are characterized by the definition above, and two clear examples of these type of biomeds are India and certain part of Africa. Those types of biomeds create a unique life around them, when there is a lot of diversity and a lot of contrst between the season when it comes to life population, as often during the dry season some populations migrate towards more humid territories.
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